The Zeus botnet is now using an unpatched flaw in Adobe’s PDF document format to infect users with malicious code, security researchers said today. The attacks come less than a week after other ...

About two-thirds of malicious Web activity can be traced back to botnets and exploit code built using popular attack toolkits like MPack and Zeus sold in the underground economy, according to a new ...

Just a couple of weeks after the source code for the Zeus crimeware kit turned up on the Web, the Black Hole exploit kit now appears to be available for download for free, as well. Black Hole normally ...